Examine source code of Homepage Revamped

{
  "manifest_version": 2,
  "name": "Homepage Revamped",
  "version": "2.0.9",
  "description": "A useful new tab page, while continuing to look clean.",
  "icons": {
    "16": "16.png",
    "128": "128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "newtab@afhstudio.ml"
    }
  },
  "chrome_url_overrides": {
    "newtab": "home.html"
  }
}